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Finding the Fourth Proportional to 1,883.43, 2,825.17 and 896.34

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Solution

The fourth proportional to 1,883.43, 2,825.17 and 896.34 is: 1,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.43 : 2,825.17 = 896.34 : x
  2. Step 2: Convert to fraction form
    1,883.43/2,825.17 = 896.34/x
  3. Step 3: Cross multiply
    1,883.43x = 2,825.17 × 896.34
  4. Step 4: Simplify right side
    1,883.43x = 2,532,312.88
  5. Step 5: Solve for x
    x = 2,532,312.88/1,883.43
  6. Step 6: Final answer
    x = 1,344.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.